Torsional-grip cable-hanger.



J. E. OGDEN.

TORSION/XL GRIP CABLE HANGER.

APPLICATION FILED IAN-20,1914.

Patented Aug. 24, 1915.

A TTOR/VEY JOHN EDWARD OGDEN, OF BROOKLYN, NEW YORK.

TORSIONAL-GRI? CABLE-HANGER.

Specification of. Letters Patent.

Patented Aug. at, nits.

Application filed January 20,1914. Serial No. 813,171.

lie it known that l. .lonx EDWARD (loony, a citizen of the l nitedStates of America, and a resident ot'lirooklyn, Kings county, and Stateof New York, have invented certain new and useful improvements inTorsional-Grip (able-ll IIIQQIS, of which the following is aspecification, reference being had to the accompanying drawings, forminga part thereof.

My invention relates to cable hangers and the like. and has specialreference to such hangers as are adapted for supporting a telephonecable from a messenger wire.

One object of my invention is to provide a simple and effective deviceof this character that shall have a torsional grip on the messenger wireand be susceptible of ready application thereto. I

Another object is to provide a structure which may be l'nanufactured inlarge quan titles at a relatively small expense.

Other objects and advantages will be set :fortlrhereinafter, and inorder that my in vention may be thoroughly understood, 1 will describethe same in the following specification. and then point out the novelteatures thereof in appended claims.

Referring tothe drawings: Figure 1 is an elevation looking at the end ofthe messenger wire which is shown in section, of a. hanger formed inaccordance with my invention. An elevation at right angles to that ofFig. 1. showing short lengths of the messenger wir! and the cable. isshown in Fig. 2. Fig. i) is a plan view illustrating the method ofapplying the hanger to a messenger wire. Fig. r is a view correspondingto Fig. 3, showing a modified form of cable hanger which also embodiesmy invention. perspective View of the hanger of Fig. l is shown in Fig.5.

The hanger oi Figs. 1 to inclusive. is prcterably made of spring steelwire and is formed to comprise a loop or ring portion A, a torsionalgrip portion B at one end, in the form of a helix having its axis Y--Yat an acute angzlcto the plane. ZZ of the loop or ring: (see. Fig. 3)and a hook portion C at the opposite end. The. hook is bent to en? e thetop, bottom and one side oi the m'es Jagger wire.

The helical. end which constitutes the torsional grip portion i"; is inthe form of a helix of a few number of turns, the distance betweenadjacent turns beinp as great as the diameter of the messenger wire sothat it may readily be hooked onto the messenger wire as shown in thedrawings. The loop A is slightly open as formed and consequently the endterminating in the hook C is snapped onto the messenger wire byspringing! it in the direction of the arrow X into the position shown inbroken lines in Fig. 3. A tension is thus put upon the helix which actslike a spring and tends to produce a slight kink in the'messenger cablebecause the axis of the torsional grip portion is, as above stated, atan acute angle to the plane of the loop. The plane of the loop and theaxis of the helix are clearly indicated by broken lines in Fig. 3. Thistorsional grip is one of the principal features of my invention and is,so far as I am aware, entirely original with me. Among the advantages ofthis grip the following may be mentioned: 1st, by tending to slightlydistort the messenger wire the hanger is Very firmly located in theposition in which it is mounted: 2nd, it is extremely unlikely to becomeloosened or disengaged by reason of the weight of the cable or for othercauses; 3rd, the helix may lit the messenger wire somewhat loosely whenits axis issubstantially in alinement with the axis of the wire, andconsequently it may be applied quickly and yet possess the previouslyenumerated advantages.

The hanger of Figs. 4 and 5 is similar to that of the preceding figuresin appearance but is made double. It comprises a pair of loops lland F,each of which corresponds quite closely to the loop A, an intermediatetorsional grip helix G which corresponds to the helix ll and has itsaxis at an acute angle to the planes of the loops which are sub-.

stantially parallel, and a pair of hooks H and K at its respective ends.Each of these hooks corresponds to the hook C, and each when applied tothe messenger wire has a tendency to produce the torsional grippingcfi'cct before described.

As in the hanger of Figs. 1 to 3, each of the loops is made slightlyopen and the arrangement of parts is such that the hooks grip the wirefrom opposite sides and both act in the same direction with respect tothe central helix, in that they'tend to still further twist the. axis ofthe helix relative to the axis of the wire.

The size. and proportions of the parts of the banners may be varied, andthe material and the section of the- Wire employed may be changed fromthose shown and described, without departing from thespirit and scope ofmy invention, and I intend that only' ent strip of material or Wireformed to cornprise a pair of loops or rings spaced at a short distance:apart and lying in substantially parallel planes, an interposedtorsional grip helix between the loops having 20 its aXis at an acuteangle to the planes of the loops, and oppositely extending hooks formedat the respective ends of the Wire.

In Witness whereof, I have hereunto set my hand in the presence of twosubscribing 25 witnesses, this 19th day of January, 1914.

JOH1\ EDlVi-XRD OGDEN. lVitnesses I. B. Moons, ELLEN GARNER.

